Gaya APA
Ries, Al, Trout, Jack. (2002).
Positioning : the battle for your mind .
Jakarta:
Salemba Empat.
Gaya Chicago
Ries, Al, Trout, Jack.
Positioning : the battle for your mind.
Jakarta:
Salemba Empat,
2002.
Text.
Gaya MLA
Ries, Al, Trout, Jack.
Positioning : the battle for your mind.
Jakarta:
Salemba Empat,
2002.
Text.
Gaya Turabian
Ries, Al, Trout, Jack.
Positioning : the battle for your mind.
Jakarta:
Salemba Empat,
2002.
Print.